{
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    "xspd_reason": null,
    "siril_reason": "The source does not establish a sensor-only response. A Siril sensor export would misrepresent its physical scope; use CSV or source JSON.",
    "siril_estimated": "/application-data/prf-sm-pentax-istdl-001-r1.estimated.siril.json",
    "siril_estimated_alternative": "/application-data/prf-sm-pentax-istdl-001-r1.alternative-estimate.siril.json",
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